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69 lines
2.2 KiB
C++
69 lines
2.2 KiB
C++
#pragma once
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#include <Parsers/IAST_fwd.h>
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namespace DB
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{
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class IParser;
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/// Parse query or set 'out_error_message'.
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ASTPtr tryParseQuery(
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IParser & parser,
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const char * & _out_query_end, // query start as input parameter, query end as output
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const char * end,
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std::string & out_error_message,
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bool hilite,
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const std::string & description,
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bool allow_multi_statements, /// If false, check for non-space characters after semicolon and set error message if any.
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size_t max_query_size, /// If (end - pos) > max_query_size and query is longer than max_query_size then throws "Max query size exceeded".
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/// Disabled if zero. Is used in order to check query size if buffer can contains data for INSERT query.
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size_t max_parser_depth,
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bool skip_insignificant = true); /// If true, lexer will skip all insignificant tokens (e.g. whitespaces)
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/// Parse query or throw an exception with error message.
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ASTPtr parseQueryAndMovePosition(
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IParser & parser,
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const char * & pos, /// Moved to end of parsed fragment.
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const char * end,
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const std::string & description,
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bool allow_multi_statements,
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size_t max_query_size,
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size_t max_parser_depth);
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ASTPtr parseQuery(
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IParser & parser,
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const char * begin,
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const char * end,
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const std::string & description,
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size_t max_query_size,
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size_t max_parser_depth);
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ASTPtr parseQuery(
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IParser & parser,
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const std::string & query,
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const std::string & query_description,
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size_t max_query_size,
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size_t max_parser_depth);
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ASTPtr parseQuery(
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IParser & parser,
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const std::string & query,
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size_t max_query_size,
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size_t max_parser_depth);
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/** Split queries separated by ; on to list of single queries
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* Returns pointer to the end of last successfully parsed query (first), and true if all queries are successfully parsed (second)
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* NOTE: INSERT's data should be placed in single line.
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*/
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std::pair<const char *, bool> splitMultipartQuery(
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const std::string & queries,
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std::vector<std::string> & queries_list,
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size_t max_query_size,
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size_t max_parser_depth,
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bool allow_settings_after_format_in_insert);
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}
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